Middle English word ago comes from Proto-Indo-European *ǵʰeh₁-, Proto-Indo-European *ud-, and later Proto-Germanic *umbi ((with accusative) around, about.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *ǵʰeh₁- | Proto-Indo-European (ine-pro) | |
| *ud- | Proto-Indo-European (ine-pro) | |
| *uds- | Proto-Indo-European (ine-pro) | |
| *uss- | Proto-Indo-European (ine-pro) | |
| *umbi | Proto-Germanic (gem-pro) | (with accusative) around, about. |
| āgān | Old English (ang) | |
| agon | Middle English (enm) |